CN101402882B - Purification apparatus and method for biomass gas - Google Patents
Purification apparatus and method for biomass gas Download PDFInfo
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- CN101402882B CN101402882B CN2008102188842A CN200810218884A CN101402882B CN 101402882 B CN101402882 B CN 101402882B CN 2008102188842 A CN2008102188842 A CN 2008102188842A CN 200810218884 A CN200810218884 A CN 200810218884A CN 101402882 B CN101402882 B CN 101402882B
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Abstract
The invention discloses a biomass fuel gas purifying device which includes a wen dust removing tower and a plate gas wash tower; the wen dust removing tower is provided with a gas outlet and a first cooling water circulation system communicated with the dust removing tower; the plate gas wash tower is provided with the gas inlet of the gas wash tower as well as a second cooling water circulation system and a medium water circulation system communicated with the plate gas wash tower; the wen dust removing tower and the plate gas wash tower are mutually communicated through the gas outlet and the gas inlet of the gas wash tower. The purifying device omits a sewage sedimentation pond as well as saves the cost and the occupied area; the plate gas wash tower is adopted for removing tars, thus having reasonable design and greatly improving the efficiency for removing the tars; an indirect cooling mode is adopted for cooling the sewage and the sewage can be repeatedly used; most sewage in the technique flow is arranged in a closed state; the sewage amount is less and the sewage can not be discharged; the rate of the peculiar smells dispersed by the sewage is greatly reduced; and the sewage concentration is high and the sewage is relatively easy to be treated.
Description
Technical field
The present invention relates to the biomass technical field, refer more particularly to a kind of apparatus and method of biological fuel gas stage purification.
Background technology
Biomass resource based on agricultural wastes, distribute and disperse, collect and the transportation difficulty, be not suitable for adopting extensive combustion power generation technology, and medium scale gasifying biomass generation technology (400～6000kW) have special advantages in developing country, also possess the condition that comes into the market to compete.This technology concentrated area is relatively handled agricultural stalk in a large number, is translated into electric power and uses for user or local electrical network.On the one hand, fundamentally solve the environmental issue that agricultural stalk brings; On the other hand, the fossil energy that also substitutes worsening shortages for renewable energy source provides new technology.
The gasifying biomass generation technology adopts circle fluidized-bed gasification furnace, biomass waste, comprises that timber, stalk, straw, bagasse etc. are converted to inflammable gas.After the gas-purification operations such as these inflammable gass process dedusting decokings, deliver to the gas oil engine again and generate electricity.For further improving system efficiency, the waste heat that can utilize gasification system and oil engine to produce is realized combined cycle generation by waste heat boiler and steam turbine.The large-scale promotion utilization of gasifying biomass generation technology environment protection and social Sustainable development are had great significance, so this technology more and more is subjected to people's attention.
The biological fuel gas purification techniques is meant the technology that combustion gas that gasifying biomass is produced purifies.It in the gasifying biomass power generation system in occupation of consequence.The combustion gas that gasifying biomass produces is a pyritous, carries a large amount of dust and tar simultaneously, and generating set is normal temperature and inclusion-free to the requirement of combustion gas, therefore require to combustion gas purify, processing such as cooling.Combustion gas can be attended by separating out of a large amount of tar in process of cooling, the tar in the combustion gas is very big to the influence on system operation of engine, needs to handle clean; Simultaneously because combustion gas is inflammable and explosive gas, so it and common gas purification technique have very big difference, and technical difficulty is bigger.The quality of decontamination effect improving directly influences the operation of generating set.
Gas-purification part in the present domestic gasifying biomass power generation system adopts two Venturi tubes and two systems that above spray column is composed in series mostly.Application number is 98122264.1, Granted publication number for the patent of invention of CN1098911C " biomass gasifying and purifying circular fluid-bed system " discloses a kind of multistage gas-purification system, send into cyclonic separator through the combustion gas that inertial separator is separated, Venturi tube is sent in combustion gas after the cyclonic separator dust removal process, combustion gas is sent into water wash column behind cooling and flush away part tar in Venturi tube, combustion gas in water wash column through further cold go and remove tar after send into gas-holder by induced draft fan.The major function of Venturi tube is the dust of dispeling in the combustion gas, and the major function of spray column is the cooling combustion gas and dispels tar in the combustion gas.From Venturi tube and the effusive sewage that contains dust and tar of spray column, be pooled to a large-scale sewage settling bowl.Sewage is naturally cooling in settling bowl, and the wet ash that is suspended in the water sinks at the bottom of the pond, and the tar that swims in the surface is decomposed by handling a part, gets back in the system recycling then.Though the combustion gas that this kind technology purifies can be satisfied the requirement of internal combustion unit, have following problem: needed quantity of circulating water is big, the sewage disposal difficulty; Wet ash is salvaged difficulty at the bottom of the pond, labour intensity is big; The pond floor space is big, construction investment cost height; It is not high that tar is removed efficient, and the pond tar taste of open type is denseer.For reaching the effect except that tar, some large-scale plant is equipped with electrical tar precipitator, but the electrical tar precipitator apparatus expensive, investment is big.The existence of these problems makes further applying of gasifying biomass generation technology be restricted.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and saved the buck settling bowl, quantity of circulating water is little, cost is low, be suitable for method and device that the biological fuel gas of big-and-middle-sized gasification power generation system purifies.
For realizing above purpose, the present invention has taked following technical scheme: a kind of biomass fuel air purifying apparatus comprises Wen's ash disposal tower, first cooling water recirculation system that board-like scrubber tower, described Wen's ash disposal tower have the air outlet and be communicated with this ash disposal tower; Second cooling water recirculation system, the WATER AS FLOW MEDIUM recycle system that described board-like scrubber tower has the scrubber tower inlet mouth and is communicated with this board-like scrubber tower; Described Wen's ash disposal tower and board-like scrubber tower are interconnected by air outlet and scrubber tower inlet mouth.
Wen ash disposal tower and the board-like scrubber tower of biological fuel gas through being interconnected, one covering device can be realized the ash disposal of combustion gas and the oil that defocuses, compare with original spray column, board-like scrubber tower has heat and mass efficient height, characteristics such as quantity of circulating water is little, not only saved the sewage settling bowl of prior art, and the efficient of removing tar improves greatly.
Described first cooling water recirculation system comprises recirculated water inlet, the water outlet that is arranged on described Wen's ash disposal tower, and this water outlet is communicated with first cooling tower, and is connected to described recirculated water inlet by first water tank.
Described second cooling water recirculation system comprises cooling water outlet, the cooling water inlet that is arranged on the described board-like scrubber tower, and this cooling water outlet is communicated with second cooling tower, and is connected to described cooling water inlet by second water tank; The described WATER AS FLOW MEDIUM recycle system comprises WATER AS FLOW MEDIUM water-in, the WATER AS FLOW MEDIUM water outlet that is arranged on the described board-like scrubber tower, and described WATER AS FLOW MEDIUM water outlet is connected to described WATER AS FLOW MEDIUM water-in by water treating equipment.
Described Wen's ash disposal tower becomes two portions up and down by barrier partitions, top is provided with placed in-line mutually and passes through isolated first Venturi tube of dividing plate and second Venturi tube, upper end in this first Venturi tube and second Venturi tube is communicated with intake ducting, and the two ends of this intake ducting are respectively equipped with air outlet, inlet mouth; Middle part in described first Venturi tube and second Venturi tube is communicated with inlet channel; Also include downtake, this downtake passes described baffle plate and is communicated with the top and the bottom of described Wen's ash disposal tower; Described water outlet is arranged on described Wen's ash disposal tower lower section, the position of close described baffle plate; Bottom at described Wen's ash disposal tower also is provided with the Ash Water Separator chamber, and this bottom, Ash Water Separator chamber is connected with blow-off line.
Indoor in described Ash Water Separator, axially be arranged with ring-like grid along described downtake.Buck falls the back by the downtake in the middle part of Wen's ash disposal tower and flows around the Ash Water Separator chamber, again along ring-like grid obliquely to center flow, flow direction change, the increase of horizontal flow distance, the increase of resistance to flow make liquid-flow even, these all help improving the effect of Ash Water Separator, and separation efficiency can improve about 1.5 times.
Lower ending opening place at described downtake is hung with the drain centrum.By the flow direction that the drain cone can change buck on the one hand is set, buck passes through ring-like grid again, the realization ash separates with water, on the other hand when the indoor cumulative precipitation of Ash Water Separator ash highly increases, thereby reduce precipitating the impact of ash by the drain centrum earlier from the effusive buck of downtake, can prevent that ash from rising once more, influence the effect of Ash Water Separator.
Be connected with buckle closure in described dividing plate bottom, this buckle closure is arranged at the top of described downtake, and maintains the gap with the upper end open of downtake.Buckle closure is suspended in the downtake top, and itself and upper end open have distance all around, guarantees that on the one hand buck amasss the rising overflow of full back and advances downtake on baffle plate, also has the effect of water seal on the other hand.
Bottom, described Ash Water Separator chamber also is provided with ash bucket.The distinctive turbination setting of ash bucket, the obliquity of inwall is bigger, makes precipitation ash wherein to derive from blow-off line more smoothly.
On described Wen's ash disposal tower, the opening part of ash bucket is provided with ash output valve.Because liquid level and ash output valve have individual drop, under the effect of fluid pressure, the buck of high density is slowly discharged by ash output valve, has realized being interrupted the function of ash discharge so substantially.
A kind of purifying method that is applied to the biomass fuel air purifying apparatus comprises the steps:
(1) ash disposal: biological fuel gas and rinse water enter into the Wen's ash disposal tower with pipe in two Wens that are connected in series respectively, realize the ash disposal of combustion gas in Wen's ash disposal tower;
(2) cool: sewage outflow Wen ash disposal tower enters in first cooling tower lowers the temperature, and cooling temperature is 60 ° of C to 45 ° of C;
(3) circulation of water: cooled sewage turns back to Wen's ash disposal tower;
(4) gas washing: the biological fuel gas after the ash disposal outputs to board-like scrubber tower from Wen's ash disposal tower and carries out gas-oil separation, and biological fuel gas flows out this board-like scrubber tower after removing tar.
The present invention compared with prior art has following advantage:
(1) be provided with Wen's ash disposal tower of Ash Water Separator device, wet ash can be discharged by being interrupted at the bottom of the tower, save the sewage settling bowl;
(2) two venturi design in same container, compact construction;
(3) scrubber tower that removes tar adopts board-like scrubber tower, and is reasonable in design, and the efficient of removing tar improves greatly;
(4) indirect refrigerative mode is adopted in the sewage cooling, and effluent cycle is used; The sewage major part is in air-tight state in the technical process, and the sewage total amount is few, can not leak; The peculiar smell probability that sewage distributes reduces greatly, and the concentration of wastewater height is handled relatively easy.
Description of drawings
Fig. 1 is a single unit system synoptic diagram of the present invention;
Fig. 2 is Wen's ash disposal tower structure synoptic diagram of the present invention;
Fig. 3 is the board-like scrubber tower structural representation of the present invention;
Description of reference numerals: 1, first Venturi tube, 2, first Venturi tube, 3, intake ducting, 31, the air outlet, 32, inlet mouth, 4, inlet channel, 42, the recirculated water inlet, 5, downtake, 51, lower ending opening, 52, upper end open, 6, dividing plate, 7, buckle closure, 8, baffle plate, 9, the Ash Water Separator chamber, 91, blow-off line, 92, ash output valve, 10, Wen's ash disposal tower, 11, ring-like grid, 12, opening, 13, water outlet, 14, the drain centrum, 15, ash bucket, 16, first cooling tower, 17, first water tank, 18, second cooling tower, 19, second water tank, 20, board-like scrubber tower, 201, the scrubber tower inlet mouth, 202, the scrubber tower air outlet, 203, cooling water outlet, 204, the cooling water inlet, 205, the WATER AS FLOW MEDIUM water-in, 206, the WATER AS FLOW MEDIUM water outlet, 207, water treating equipment, 208, air water separator, 209, orifice plate, 210, header tank, 211, water pump, 212, tubular heat exchanger, 213, second downtake, 214, overflow weir.
Embodiment
Below in conjunction with the drawings and specific embodiments content of the present invention is described in further details.
Embodiment:
See also shown in Figure 1ly, a kind of biomass fuel air purifying apparatus comprises Wen's ash disposal tower 10, board-like scrubber tower 20, Wen's ash disposal tower 10 has intake ducting 3, and these intake ducting 3 two ends are respectively equipped with air outlet 31 and inlet mouth 32, and first cooling water recirculation system that is communicated with this ash disposal tower 10; Second cooling water recirculation system, the WATER AS FLOW MEDIUM recycle system that board-like scrubber tower 20 has scrubber tower inlet mouth 201 and is communicated with this board-like scrubber tower 20; Wen's ash disposal tower 10 and board-like scrubber tower 20 are interconnected by air outlet 31 and scrubber tower inlet mouth 201.First cooling water recirculation system comprises recirculated water inlet 42, the water outlet 13 that is arranged on Wen's ash disposal tower 10, and this water outlet 13 is communicated with first cooling tower 16, and is connected to recirculated water inlet 42 by first water tank 17.Second cooling water recirculation system comprises cooling water outlet 203, the cooling water inlet 204 that is arranged on the board-like scrubber tower 20, and this cooling water outlet 203 is communicated with second cooling tower 18, and is connected to cooling water inlet 204 by second water tank 19; The WATER AS FLOW MEDIUM recycle system comprises WATER AS FLOW MEDIUM water-in 205, the WATER AS FLOW MEDIUM water outlet 206 that is arranged on the described board-like scrubber tower 20, and WATER AS FLOW MEDIUM water outlet 206 is connected to described WATER AS FLOW MEDIUM water-in 205 by water treating equipment 207.
Wen's ash disposal tower 10 is separated into two portions up and down by baffle plate 8, and top is provided with placed in-line mutually and by dividing plate 6 isolated first Venturi tube 1 and second Venturi tubes 2, intake ducting 3 is communicated with the upper end of first Venturi tube 1 and second Venturi tube 2; Middle part in first Venturi tube 1 and second Venturi tube 2 is communicated with inlet channel 4; Also include downtake 5, this downtake 5 passes baffle plate 8 and is communicated with the top and the bottom of Wen's ash disposal tower 10; Water outlet 13 is arranged on Wen's ash disposal tower 10 lower sections, the position of close described baffle plate 8; Bottom at Wen's ash disposal tower 10 also is provided with Ash Water Separator chamber 9, and these 9 bottoms, Ash Water Separator chamber are connected with blow-off line 91, and 9 bottoms, Ash Water Separator chamber also are provided with ash bucket 15, on Wen's ash disposal tower 10, the opening part of ash bucket 15 is provided with ash output valve 92.
Further, in Ash Water Separator chamber 9, axially be arranged with ring-like grid 11 along downtake 5; Lower ending opening 51 places at downtake 5 are hung with drain centrum 14; Be connected with buckle closure 7 in dividing plate 6 bottoms, this buckle closure 7 is arranged at the top of downtake 5, and maintains the gap with the upper end open 52 of downtake 5.
Biological fuel gas and rinse water enter into two Venturi tubes of Wen's ash disposal tower 10 respectively from the inlet mouth 32 of Wen's ash disposal tower 10 and recirculated water inlet 42, biological fuel gas is removed a large amount of dusts in two Venturi tubes, the sewage that contains ash falls from the opening 12 of two Venturi tubes, and flows through downtake 5 flows out to Wen's ash disposal tower 10 from lower ending opening 51 lower section through the upper end open 52 of downtake 5;
Sewage flows out Wen's ash disposal tower 10 by water outlet 13 again, because the tower body diameter is bigger, sewage is in the process that slowly makes progress, the dust major part that suspends in the water can sink to the bottom of tower, after a part of ash has been assembled in the bottom of tower, open ash output valve 92, because ash output valve 92 has difference of altitude to produce static pressure with liquid level, therefore the sewage mud of high density is slowly discharged under the effect of static pressure, and the space of 9 bottoms, Ash Water Separator chamber can stockpile the wet ash of a great deal of.
Sewage after sedimentation, ash content seldom enters cooling in first cooling tower 16 behind the outflow Wen ash disposal tower 10 in the water, and cooling temperature is 60 ℃ to 45 ℃, returns after the cooling in Wen's ash disposal tower 10, has finished the circulation of water; Fuel gas temperature in the ash disposal tower is very high, does not have tar and separates out, and do not contain tar in the sewage this moment, has only the ash of suspension, does not therefore need special processing, just can be recycled after floating the falling;
Combustion gas after the dedusting is entered the top of scrubber tower 20 by scrubber tower inlet mouth 201 by the air outlet 31 of Wen's ash disposal tower 10, board-like scrubber tower is two portions about in the of 20 minutes, top is the gas-purification part, the bottom is the sewage cooling segment, its upper space inner stacks is provided with multilayer orifice plate 209, connecting second downtake 213 that is provided with water stream channel between upper strata orifice plate and the lower floor's orifice plate, for keeping the height of liquid layer on the orifice plate, be provided with the overflow weir 214 of the usefulness that can do baffle plate near second downtake, 213 places at orifice plate, after combustion gas enters board-like scrubber tower 20, via the aperture on the orifice plate 209, the liquid layer that passes on the orifice plate upwards flows step by step, gas-liquid two-phase fully contacts in passing through the liquid layer process, and (heat transfer refers to heat passage, and mass transfer refers to that tar cools off in the laggard entry of condensing to finish heat and mass, separate with combustion gas) process, combustion gas enters cat head, and cat head is equipped with air water separator 208, and board-like scrubber tower 20 is flowed out in combustion gas dehydration back;
WATER AS FLOW MEDIUM as gas-purification, in WATER AS FLOW MEDIUM water-in 205 enters board-like scrubber tower 20, flow to orifice plate 209 through second downtake 213, therefore on orifice plate, form liquid layer, flow to the next stage column plate through overflow weir 214 again, downward step by step, flow into the header tank 210 that is positioned at the tower middle part at last, WATER AS FLOW MEDIUM is owing to becoming sewage through the thorough mixing with combustion gas, and effluent stream forms liquid layer through column plate on column plate, and fully contact with combustion gas, sewage temperature raises, and the tar in the combustion gas simultaneously is soluble in water, and is taken away by sewage; Sewage in the header tank 210 is after water pump 211 pressurizations, enter the tubular heat exchanger 212 that is arranged in board-like scrubber tower 20 bottoms, (from WATER AS FLOW MEDIUM water outlet 206) entered water treating equipment 207 after sewage was cooled in tubular heat exchanger 212, water treating equipment 207 are selected the air-flotation type waste-oil scavenger for use, because it is higher to contain tar-concentration in the sewage, therefore airfloat equipment to remove the tar effect better, the concentration that sewage after the processing contains tar can be controlled in certain scope, sewage temperature reduces and gets back to board-like scrubber tower 20 internal recycle and use, and isolating tar can be done other purposes after collecting;
Water coolant in the tubular heat exchanger 212 constitutes a cooling water recirculation system through cooling water inlet 204, cooling water outlet 203, second water tank 209, second cooling tower 18, and last water coolant is got back in the board-like scrubber tower 20.
Water coolant and sewage (WATER AS FLOW MEDIUM of just having mixed gas tar oil) heat exchange in tubular heat exchanger 212, because WATER AS FLOW MEDIUM has been mixed combustion gas and has therefore been had certain temperature, after the heat exchange, water coolant is heated, the sewage laggard water treatment 207 of going into that is cooled is got back to board-like scrubber tower 20 by WATER AS FLOW MEDIUM water-in 205 again.
Above-mentioned sewage heat exchange cooling purpose has following 2 points:
1, the purpose of WATER AS FLOW MEDIUM and combustion gas mixing, be the impurity of removing in the combustion gas such as tar on the one hand, be for the heat exchange of combustion gas is come out on the other hand, thereby reach the purpose that reduces fuel gas temperature, because WATER AS FLOW MEDIUM is to recycle, in order to guarantee to arrive the effect that reduces fuel gas temperature, so need be with mixed medium sewage heat exchange cooling;
2, sewage recycles after need handling through sewage disposal device, because temperature is too high influential to wastewater treatment efficiency, so mixed medium sewage heat exchange cooling will be entered into sewage disposal device again.
Water coolant and WATER AS FLOW MEDIUM all adopt clean tap water.
Above-listed detailed description is at the specifying of possible embodiments of the present invention, and this embodiment is not in order to limiting claim of the present invention, and the equivalence that all the present invention of disengaging do is implemented or change, all should be contained in the claim of this case.
Claims (6)
1. a biomass fuel air purifying apparatus is characterized in that: comprise Wen's ash disposal tower (10), first cooling water recirculation system that board-like scrubber tower (20), described Wen's ash disposal tower (10) have air outlet (31) and be communicated with this ash disposal tower (10); Second cooling water recirculation system, the WATER AS FLOW MEDIUM recycle system that described board-like scrubber tower (20) has scrubber tower inlet mouth (201) and is communicated with this board-like scrubber tower (20); Described Wen's ash disposal tower (10) and board-like scrubber tower (20) are interconnected by air outlet (31) and scrubber tower inlet mouth (201);
Wen's ash disposal tower (10) is separated into two portions up and down by baffle plate (8), top is provided with placed in-line mutually and passes through isolated first Venturi tube of dividing plate (6) (1) and second Venturi tube (2), upper end in this first Venturi tube (1) and second Venturi tube (2) is communicated with intake ducting (3), and the two ends of this intake ducting (3) are respectively equipped with air outlet (31), inlet mouth (32); Middle part in described first Venturi tube (1) and second Venturi tube (2) is communicated with inlet channel (4); Also include downtake (5), this downtake (5) passes described baffle plate (8) and is communicated with the top and the bottom of described Wen's ash disposal tower (10); Described water outlet (13) is arranged on described Wen's ash disposal tower (10) lower section, the position of close described baffle plate (8); Also be provided with Ash Water Separator chamber (9) in the bottom of described Wen's ash disposal tower (10), this bottom, Ash Water Separator chamber (9) is connected with blow-off line (91); In the described Ash Water Separator chamber (9), axially be arranged with ring-like grid (11) along described downtake (5); The lower ending opening (51) of described downtake (5) locates to be hung with drain centrum (14); Described dividing plate (6) bottom is connected with buckle closure (7), and this buckle closure (7) is arranged at the top of described downtake (5), and maintains the gap with the upper end open (52) of downtake (5);
Board-like scrubber tower (20) divides two portions up and down, top is the gas-purification part, the bottom is the sewage cooling segment, its upper space inner stacks is provided with multilayer orifice plate (209), connecting second downtake (213) that is provided with water stream channel between upper strata orifice plate and the lower floor's orifice plate, for keeping the height of liquid layer on the orifice plate, locate to be provided with the overflow weir (214) of the usefulness of doing baffle plate near second downtake (213) at orifice plate.
2. biomass fuel air purifying apparatus as claimed in claim 1, it is characterized in that: described first cooling water recirculation system comprises recirculated water inlet (42), the water outlet (13) that is arranged on described Wen's ash disposal tower (10), this water outlet (13) is communicated with first cooling tower (16), and is connected to described recirculated water inlet (42) by first water tank (17).
3. biomass fuel air purifying apparatus as claimed in claim 2, it is characterized in that: described second cooling water recirculation system comprises cooling water outlet (203), cooling water inlet (204) that are arranged on the described board-like scrubber tower (20), this cooling water outlet (203) is communicated with second cooling tower (18), and is connected to described cooling water inlet (204) by second water tank (19); The described WATER AS FLOW MEDIUM recycle system comprises WATER AS FLOW MEDIUM water-in (205), the WATER AS FLOW MEDIUM water outlet (206) that is arranged on the described board-like scrubber tower (20), and described WATER AS FLOW MEDIUM water outlet (206) is connected to described WATER AS FLOW MEDIUM water-in (205) by water treating equipment (207).
4. biomass fuel air purifying apparatus as claimed in claim 1 is characterized in that: bottom, described Ash Water Separator chamber (9) also is provided with ash bucket (15).
5. biomass fuel air purifying apparatus as claimed in claim 4 is characterized in that: opening part last at described Wen's ash disposal tower (10), ash bucket (15) is provided with ash output valve (92).
6. a purifying method that is applied to claim 1 biomass fuel air purifying apparatus is characterized in that, comprises the steps:
(1) ash disposal: biological fuel gas and rinse water enter into the Wen's ash disposal tower with pipe in two Wens that are connected in series respectively, realize the ash disposal of combustion gas in Wen's ash disposal tower;
(2) cool: sewage outflow Wen ash disposal tower enters in first cooling tower lowers the temperature, and cooling temperature is 60 ℃ to 45 ℃;
(3) circulation of water: cooled sewage turns back to Wen's ash disposal tower;
(4) gas washing: the biological fuel gas after the ash disposal outputs to board-like scrubber tower from Wen's ash disposal tower and carries out gas-oil separation, and biological fuel gas flows out this board-like scrubber tower after removing tar.
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| CN2008102188842A CN101402882B (en) | 2008-11-04 | 2008-11-04 | Purification apparatus and method for biomass gas |
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| CN103343021B (en) * | 2013-07-17 | 2015-06-24 | 王建伟 | Device and method for waste heat recovery and purification of biomass gasified gas |
| CN104130805A (en) * | 2014-07-01 | 2014-11-05 | 江苏金江生物能源科技有限公司 | Biomass gas purifying cabinet |
| CN106369601B (en) * | 2016-08-27 | 2018-11-02 | 山东雷帕得汽车技术股份有限公司 | The ratio stabilizing burner of preliminary clearning combustion gas |
| CN106766964A (en) * | 2017-01-18 | 2017-05-31 | 绵阳易简环保科技有限公司 | Energy-saving metal electric melting furnace cleaner |
| CN115854743B (en) * | 2023-03-03 | 2023-05-26 | 江苏盖亚环境科技股份有限公司 | Quenching and dedusting integrated equipment and soil remediation technology applying same |
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